[cros] Fake a stub user login when no --login-manager and --login-user are given.

chrome/browser/chromeos/login/wizard_controller.cc

Index: chrome/browser/chromeos/login/wizard_controller.cc
diff --git a/chrome/browser/chromeos/login/wizard_controller.cc b/chrome/browser/chromeos/login/wizard_controller.cc
index 5c32394da95d40e418c5c53c43337740d52bb1c4..4a1cb1929a905b3f8a62ebd10f32aec889bc6e3b 100644
--- a/chrome/browser/chromeos/login/wizard_controller.cc
+++ b/chrome/browser/chromeos/login/wizard_controller.cc
@@ -688,7 +688,6 @@ bool WizardController::IsDeviceRegistered() {
     // IO on UI thread. But it's required for update from old versions.
     base::ThreadRestrictions::ScopedAllowIO allow_io;
     FilePath oobe_complete_flag_file_path = GetOobeCompleteFlagPath();
-    DVLOG(1) << "Checking " << oobe_complete_flag_file_path.value();
     bool file_exists = file_util::PathExists(oobe_complete_flag_file_path);
     SaveIntegerPreferenceForced(kDeviceRegistered, file_exists ? 1 : 0);
     return file_exists;